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Run results for: Date.now()/new Date().getTime()/performance.now()/perf.now() - caching test

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36
Chrome 94
Windows
Desktop
3 years ago
Test name Executions per second
Date.now() 2254910.5 Ops/sec
new Date().getTime(); 1379637.4 Ops/sec
performance.now() 1479874.1 Ops/sec
perf.now() 2324362.8 Ops/sec
Date.now() -- direct method call 3160977.2 Ops/sec
perf.now() -- direct method call 3599292.8 Ops/sec
Script Preparation code:
Tests:

  • Date.now()

  • new Date().getTime();

  • performance.now()

  • perf.now()

  • Date.now() -- direct method call

  • perf.now() -- direct method call